ISRCTN ISRCTN11273879
DOI https://doi.org/10.1186/ISRCTN11273879
Secondary identifying numbers UW 14-540
Submission date
25/01/2015
Registration date
02/02/2015
Last edited
17/12/2020
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Infections and Infestations
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English Summary

Background and study aims
Influenza viruses cause substantial disease burden every year. Patients are frequently hospitalised for pneumonia secondary to influenza infection. Clarithromycin and naproxen inhibit seasonal influenza virus infection in human airway epithelial cells with additional anti-inflammatory effects. The aim in this study is to assess the effects of clarithromycin and naproxen in patients diagnosed with pneumonia secondary to respiratory viral infection.

Who can participate?
Adult patients, hospitalised in Queen Mary Hospital, Hong Kong (China) for pneumonia

What does the study involve?
Patients will be randomly assigned to a 5-day course of amoxicillin-clavulanate and oseltamivir and a 2-day course of double combination of naproxen and clarithromycin (study arm) or a 5-day course of amoxicillin-clavulanate and oseltamivir (control group).

What are the possible benefits and risks of participating?
Possible benefits include reduction in mortality, shortened hospital stay, faster fever resolution and viral load reduction. Risks not provided at time of registration

Where is the study run from?
Queen Mary Hospital, Hong Kong (China)

When is the study starting and how long is it expected to run for?
February 2015 to April 2016

Who is funding the study?
University of Hong Kong (China)

Who is the main contact?
Dr Ivan Hung
ivanfn@gmail.com

Contact information

Dr Ivan Hung
Scientific

Administration Block 808
Queen Mary Hospital
102 Pokfulam Road
Hong Kong
-
Hong Kong

ORCiD logoORCID ID 0000-0003-3323-958X
Phone +852 (0)22554049
Email ivanfn@gmail.com

Study information

Study designOpen-label randomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details to request a patient information sheet
Scientific titleEffect of clarithromycin on influenza respiratory tract infection: an open-label randomised controlled trial
Study hypothesisA combination of clarithromycin, oseltamivir and naproxen will expedite the recovery, suppress the viral load, shorten hospitalisation and reduce mortality in patients with influenza respiratory tract infection compared with oseltamivir alone.
Ethics approval(s)University of Hong Kong/Hospital Authority Hong Kong West Cluster Institutional Review Board, 05/11/2014, UW 14-540
ConditionInfluenza, lower respiratory tract infection
InterventionCurrent interventions as of 16/02/2015:
Study arm: 5-day course of amoxicillin-clavulanate + oseltamivir and a 2-day course of double combination of naproxen and clarithromycin
Control arm: 5-day course of amoxicillin-clavulanate + oseltamivir

Previous interventions:
1. Study arm: 2-day course of oseltamivir + clarithromycin + naproxen + 7-day course of amoxicillin-clavulanate
2. Control arm: 2-day course of oseltamivir + 7-day course of amoxicillin-clavulanate
Intervention typeDrug
Pharmaceutical study type(s)
PhasePhase IV
Drug / device / biological / vaccine name(s)1. Oseltamivir 2. Clarithromycin 3. Naproxen 4. Amoxicillin-clavulanate
Primary outcome measureCurrent primary outcome measures as of 13/07/2018:
30-day mortality

Previous primary outcome measures:
Nasopharyngeal aspirate viral load reduction, measured with polymerase chain reaction from day 0 (baseline) to day 3 after recruitment
Secondary outcome measuresCurrent secondary outcome measures as of 13/07/2018:
1. 90-day mortality
2. Serial changes in the nasopharyngeal aspirate (NPA) virus titer
3. Percentage change of neuraminidase-inhibitor-resistant A(H3N2) virus (NIRV) quasispecies measured by means of pyrosequencing
4. Pneumonia severity index (PSI) from days 1 to 4 after antiviral treatment
5. Length of hospitalisation

Previous secondary outcome measures:
1. Resolution of fever (from day 0 to day 3)
2. Duration of hospitalisation (from admission to discharge from hospital for that particular admission)
3. Mortality rate (from day of recruitment to 1 month after recruitment)
Overall study start date04/02/2015
Overall study end date30/04/2016

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants100
Participant inclusion criteria1. Age ≥ 18 years
2. Diagnosed of influenza, lower respiratory tract infection
3. Requiring hospitalisation
4. Willing to comply with the study programme
5. Provided informed consent
Participant exclusion criteria1. Allergic to clarithromycin, amoxicillin-clavulanate, oseltamivir, or naproxen
2. Moderate renal impairment (creatinine clearance < 30 mL/min)
3. Pregnancy
4. Breastfeeding
5. Inability to comprehend and follow all required study procedures
6. Human immunodeficiency virus (HIV) infection
7. Received an experimental agent (vaccine, drug, biological, device, blood product or medication) within 1 month before recruitment or expecting to receive an experimental agent during the study
8. Unwillingness or refusal to participate in another clinical study after the end of this study
9. History of alcohol or drug abuse in the past 5 years
10. Any condition that the investigator believes might interfere with successful completion of the study
Recruitment start date18/02/2015
Recruitment end date30/04/2015

Locations

Countries of recruitment

  • China
  • Hong Kong

Study participating centre

Queen Mary Hospital
102 Pokfulam Road
Hong Kong
-
China

Sponsor information

University of Hong Kong
University/education

Medical School
Queen Mary Hospital
102 Pokfulam Road
Hong Kong
-
China

Phone +852 (0)22554049
Email ivanfn@gmail.com
ROR logo "ROR" https://ror.org/02zhqgq86

Funders

Funder type

University/education

University of Hong Kong
Government organisation / Universities (academic only)
Alternative name(s)
The University of Hong Kong, 香港大學, Universitas Hongkongensis, HKU
Location
Hong Kong

Results and Publications

Intention to publish date31/07/2016
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryStored in repository
Publication and dissemination planTo publish in an infectious diseases journal
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/05/2017 17/12/2020 Yes No

Editorial Notes

17/12/2020: Publication reference added.
13/07/2018: The primary and secondary outcome measures were updated.
08/02/2016: The recruitment end date has been updated from 31/03/2016 to 30/04/2015.